package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /*
    * 动态条件查询
    * */
    List<ShoppingCart> list(ShoppingCart shoppingCart);


    @Update("update shopping_cart set number = #{number} where id=#{id}")
    void update(ShoppingCart cart);


    void insert(ShoppingCart shoppingCart);

    @Select("select * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> getByUserId(Long userId);

    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
